Viết lại câu sao cho nghĩa không đổi

I. 
1. Susan has lost her sport bag. She bought it last week.
$\Rightarrow$Susan __________________________
2. Mr. Pike began to work at this school 15 years ago.
$\Rightarrow$Mr.Pike has ________________________
3. My neww jeans are more expensive than yours.
$\Rightarrow$Your neww jeans ____________________
4. If Nam doesn't phone Hoa immediately, he won't get more information about the exam.
$\Rightarrow$Unless_______________________________
5. "Do you play for your school team tomorrow, Tom?" said Mary.
$\Rightarrow$Mary asked____________________